This page explains how Ronald K. Afdal (USATT# 3778)'s rating went from 1101 to 1099 at the Huntsman World Senior Games 2023 held on 9 Oct 2023 - 12 Oct 2023. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.